Dump wagon



'IJLPULLAR.

' Patented any 23 192 2 SHEETS-SHEET 1.

I. PULLAR.

DUMP WAGON.

APPLICATION FILED SEPT. 10. 1920.

Patented ay 23, 1922..

2 SHEETS-SHEET 2.

, intents,

i new are ll i tim n WI Specification of Letters Patent.

Patented inlay teas;

Application filed September 10, 1920. Serial No. 409,895.

To all lU/ZOITL vimy concern;

lie it known that l, Janus PULmn, a c1t1- non of the United tltates, and a resident oi" Hartford, in the county oi? l'llartford and iltate of Connecticut, have invented a new and Improved Dump Wagon, of which the following); is a specification.

li [y invention relates to that class of wagons in which the body is tipped tor the purpose of discharging a load therefrom,

and an object of my invention, among others,

to provide such a wagon with means for automatically controlling; the opening and securing of the tail board in a simple and ellicicnt manner.

tine form of mechanism embodying my invention and in the construction and use of which the objects herein set out, as well others, may be attained, is illustrated in the accompanying drawings, in which Figure 1 is a side view of such part only of the frame and body or box of a wagon as is necessary to an understanding1 of my invention, the body being shown in a raised position.

Figure 2 is an end view of the same, the box being shown in its lowered or normal position. I

Figure 3 is a side view of my improved wagon showing the box in itslowered or normal position.

Figure 4 is a similar view but showing the box partially raised.

ln the accompanying drawings the on-- moral 4- indicates a portion of the frame or chassis of a vehicle and 5 the box or body hinged at fito the frame in a manner com mon to vehicles of this class, the frame being; suitably attached and secured to springs 7 secured to an axle 8 (see Figure 3), and the hinges being formed as in brackets 9 secured to the frame, as shown in Figure 2, the wheels and the body having any common means for raising the front end of said body, all of which will be readily understood by those skilled in the art without further description and illustration herein, a tail board 10 being, suitably pivot-- ally secured to the side parts of the wagon in any desired manner.

In carryingmy invention into effect it provide a pair of toggle levers 11, there be ing preferably a pair of these levers at each side of the body, the mechanism now to be described being preferably duplicated at ppposite sides of the body, one such mechanism only however being necessary to embody or; inventi'oii, and one only therefore being do scribed herein.

Each member of said pair of toggle levers is pi votally attached at one end, to the wagon body and the other end to a side part of the frame 4:, the other ends of each of said members being pivotally secured together. A tail board releasing rod 12 is pivotally scoured at one end to the toggle levers at the o'int between the members, the opposite end of said rod being pivotally attached to one arm 13 of a bell crank lever. The other arm id. of the bell crank lever is con.- nected to the arm 13 as by a shaft '15, which shaft may be employed as a connection between the arms of hell crank levers located at opposite sides of the wagon frame, when the mechanism is duplicated at opposite sides of the frame, as shown herein.

it latch 16 is pivotally secured at one end to the arm 14:, the opposite hooked. end of said latch being arranged to engage a lug 18 secured to and projecting from the tail board, in the construction herein shown this lug being formed as an integral part projecting from one end of a tail board strap 19, the opposite end of which. strapserves as a part of the hinge for pivotally securing the tail board in place. In the apparatus as disclosed herein the latch is caused to move properly to efle t its funct1ons by a controller 20 in the form of a plate secured to and projecting from the body 5 and having a slot through which the latch projects, as shown in Figure 2 of the drawings.

In the operation of the device, the body being in its lowered position, as shown in Figure 3, and the nose of the latch engaging the lug 18 on the tail board, securely holding; the latter in place, as the front end of the body 5 is raised the members of the toggle lever will be moved towards a straightened position, and this will move the rod 12 lengthwise and, effect a turning movement of the bell crank lever that will lift the nose of the latch 16 and free it from engagement with the lug 18, and, this will permit the tail. board to swing freely outward and permit any material within the wagon body to slide out when the body has been raised to a sufticiently inclined posi tion, and when the body is again lowered and the tail board automatically swings inwardly the lug 18 will strike the rounded end of the latch and raise it so that the lug may pass under the nose of the latch and again be engaged thereby.

I claim- 1. A frame, a Wagon body pivotally mounted on said frame, a tail-board pivot.-

pivotally attached to said body, means [or holding the tail board in its closed position, a bell crank lever connected with said holding means, and an operative connection between said bell crank lever and said toopgle levers for operation or the former by the latter to operate said holding means.

3. A lilitl'llO a wagon body pivotally mounted on said frame, toggle levers eonnecting said il l'tllid and body, a tail board pivotally attached to said body. means For holding the tail board in its closed POSltlolL a bell crank lever connected with said holdinc: means, and a releasing rod pivotall; connected to the toggle levers at the joint thereof and to said bell crank lever for operation of said holding means.

JAMES PULL). R. 

